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05-08-2017
Mathematics

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if g (x)= x^2-5, where does the graph g (x) cross the x-axis?

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Аноним Аноним

05-08-2017

the graph crosses the x axis where g(x) = 0 , so:-

x^2 - 5 = 0
x^2 = 5
x = sqrt5 or -sqrt5

so grapg corosses the x axis at (-sqrt5,0) and (sqrt5, 0)

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